Quarter	Percent
1995-01-01	30.0854700900000
1995-04-01	30.7517084300000
1995-07-01	31.1754684800000
1995-10-01	32.0541760700000
1996-01-01	32.3232323200000
1996-04-01	31.6991643500000
1996-07-01	31.0765815800000
1996-10-01	33.0943188100000
1997-01-01	35.0549450500000
1997-04-01	33.3333333300000
1997-07-01	35.0164654200000
1997-10-01	35.0301040000000
1998-01-01	34.9292709500000
1998-04-01	34.9326145600000
1998-07-01	36.2412493300000
1998-10-01	35.1831896600000
1999-01-01	33.4401709400000
1999-04-01	34.5137420700000
1999-07-01	35.0683491100000
1999-10-01	35.9202936500000
2000-01-01	35.5555555600000
2000-04-01	33.5710647000000
2000-07-01	35.9959555100000
2000-10-01	39.3467336700000
2001-01-01	35.9328726600000
2001-04-01	32.7980535300000
2001-07-01	35.7074569800000
2001-10-01	34.6919431300000
2002-01-01	34.0167754000000
2002-04-01	34.3290441200000
2002-07-01	33.8579136700000
2002-10-01	34.4291426000000
2003-01-01	32.8056288500000
2003-04-01	36.4267129200000
2003-07-01	34.9614395900000
2003-10-01	32.4553950700000
2004-01-01	32.0786281900000
2004-04-01	32.8659793800000
2004-07-01	30.3315595600000
2004-10-01	31.1488673100000
2005-01-01	32.9073482400000
2005-04-01	30.8719560100000
2005-07-01	30.3335919300000
2005-10-01	32.0478210600000
2006-01-01	32.1010939300000
2006-04-01	28.0923994000000
2006-07-01	29.0560472000000
2006-10-01	30.3118201600000
2007-01-01	28.8208051300000
2007-04-01	28.8857841400000
2007-07-01	27.9737206100000
2007-10-01	28.7277701800000
2008-01-01	27.9609690400000
2008-04-01	27.0709078900000
2008-07-01	29.2171634500000
2008-10-01	28.7987013000000
2009-01-01	28.8146279900000
2009-04-01	25.8255451700000
2009-07-01	27.1665642300000
2009-10-01	29.8752662000000
2010-01-01	28.3150851600000
2010-04-01	27.3217495500000
2010-07-01	26.4190193200000
2010-10-01	27.7794161000000
2011-01-01	28.4247579900000
2011-04-01	25.6859311200000
2011-07-01	24.0465793300000
2011-10-01	25.3713952800000
2012-01-01	24.2000000000000
2012-04-01	24.0333333333333
2012-07-01	25.8333333333333
2012-10-01	23.9333333333333
2013-01-01	21.5000000000000
2013-04-01	23.5666666666667
2013-07-01	24.2666666666667
2013-10-01	23.8333333333333
2014-01-01	22.2333333333333
2014-04-01	23.3666666666667
2014-07-01	24.6000000000000
2014-10-01	25.2000000000000
2015-01-01	23.4666666666667
2015-04-01	22.5666666666667
2015-07-01	22.9333333333333
2015-10-01	24.8000000000000
2016-01-01	24.2000000000000
2016-04-01	22.6666666666667
2016-07-01	22.9666666666667
2016-10-01	23.0333333333333
2017-01-01	22.6333333333333
2017-04-01	22.9666666666667
2017-07-01	22.7000000000000
2017-10-01	22.3000000000000
2018-01-01	22.7000000000000
2018-04-01	23.1333333333333
2018-07-01	24.1000000000000